Here are some links for videos that will add to your math skills:
Scroll down to find the video you need:
Factoring- A fun comic to help with factoring expressions
http://www.geneyang.com/factoring/
Finding Area of squares, rectangles, and triangles:
http://mathantics.com/index.php/section/lesson/Area
Combining Like Terms- (Expressions and Equations Unit)
https://www.youtube.com/watch?v=CLWpkv6ccpA#t=60
Why don't we use an "x" sign when multiplying with variables?-
Decimal Operations- song video- "2+1 Math Rocks! The Decimal Song"
http://www.youtube.com/watch?v=JEKhvrND-kE
Mixed Numbers-
http://mathantics.com/index.php/section/lesson/IntroToMixedNumbers
Adding and Subtracting Fractions-
http://www.youtube.com/watch?v=5juto2ze8Lg
Finding Common Denominators-
http://www.youtube.com/watch?v=N-Y0Kvcnw8g
Prime Factorization-
http://mathantics.com/index.php/section/lesson/Factoring
http://mathantics.com/index.php/section/lesson/PrimeFactorization
Least Common Multiples & Greatest Common Factor -
https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-factors-and-multiples
What are Percentages?-
http://www.youtube.com/watch?v=JeVSmq1Nrpw
Multi-Digit Addition and Subtraction-
http://www.youtube.com/watch?v=mAvuom42NyY
- Addition
http://www.youtube.com/watch?v=Y6M89-6106I
- Subtraction
Multi-Digit Multiplication-
http://mathantics.com/index.php/section/lesson/MultiDigitMultiplicationPt1
- part 1
http://mathantics.com/index.php/section/lesson/MultiDigitMultiplicationPt2
- part 2
Finding a percent of a number-
http://www.youtube.com/watch?v=rR95Cbcjzus
Basic Division- Use this video if you need a quick review before moving on to Long Division-
http://www.youtube.com/watch?v=KGMf314LUc0
Long Division-
http://mathantics.com/index.php/section/lesson/LongDivision
Division of Fractions-
http://www.youtube.com/watch?v=4lkq3DgvmJo
Simplifying Fractions-
http://www.youtube.com/watch?v=AtBUQH8Tkqc
Intro to Coordinate Grids-
http://www.youtube.com/watch?v=HdrCwFNcXGU
Coordinate Graphing-
http://www.youtube.com/watch?v=3p_FDXMUkS8
Order of Operations-
http://www.youtube.com/watch?v=dAgfnK528RA&feature=c4-overview-vl&list=PLAD83F3F24C7302FB